Zhou Da Yu Little Bee Portable Wireless Amplifier for Teachers and Tour Guides

This compact and lightweight portable wireless amplifier is designed specifically for teachers and tour guides. It offers clear and powerful sound projection, making it ideal for speaking in both indoor and outdoor settings. The device is easy to carry and features a user-friendly interface, allowing for simple operation. With long-lasting battery life and wireless connectivity, users can move freely without being tethered by cords. The amplifier also includes a comfortable headset microphone, ensuring hands-free convenience during presentations and tours. Model: S31 Interface Type: USB Connection: Bluetooth connection Frequency Range: 100HZ-20KHZ Output Power: 10 Signal-to-Noise Ratio: ≥75dB Channel: Mono Power Supply: Built-in lithium battery Operation Method: Button Expandable Storage: 16 GB Number of Speakers: 1 Bluetooth Protocol: 5.0 Effective Distance: 20 meters Battery Capacity: 2200mAh Playing Time: 26h Shell Material: ABS+UV Baked Paint Physical Dimension: 90*80*43 Product Weight: 150g Function: Amplification Supported Formats: TF card Playback Format: MP3 Speaker Adjustment Method: Knobs Manufacture country: China Instructions included: No